Version 6.6
349
MP-11x & MP-124
User's Manual
32. Automatic Update
32.2 Booting using DHCP
You can configure the device to obtain an IP address from a DHCP server during bootup.
To enable DHCP for obtaining an IP address:
1.
Open the Application Settings page (
Configuration
tab >
System
menu >
Application Settings
).
Figure
32-2: Enabling DHCP - Application Settings Page
2.
From the 'Enable DHCP" drop-down list, select
Enable
.
3.
Click
Submit
.
4.
To activate the DHCP process, perform a cold reset by pressing the device's hardware
reset button. A soft reset using the Web interface doesn't trigger the BootP/DHCP
process and if done, this parameter reverts to
Disable
.
The device can use a host name in the DHCP request. The host name is set to acl_nnnnn,
where nnnnn denotes the device's serial number. The serial number is the last six digits of
the MAC address converted to decimal representation. In networks that support this feature
and if the DHCP server registers this host name to a DNS server, you can access the
device (through a Web browser) using the URL, http://acl_<serial number> (instead of
using the device's IP address). For example, if the device's MAC address is 00908f010280,
the DNS name is acl_66176.
Notes:
•
Throughout the DHCP procedure, ensure that the BootP/TFTP program
(AcBootP utility) is deactivated; otherwise the device receives a response
from the BootP server instead of the DHCP server. Typically, after the
device powers up, it attempts to communicate with a BootP server. If a
BootP server does not respond and DHCP is enabled, the device
attempts to obtain its networking parameters from the DHCP server.
•
When using DHCP to acquire an IP address, the Multiple Interface table,
VLANs and other advanced configuration options are disabled.
•
For more information on DHCP, see BootP Request and DHCP
Discovery upon Device Initialization on page
347
.
•
For additional DHCP parameters, see DHCP Parameters on page
428
.
32.3 Configuring Automatic Update
The procedure below describes how to configure the Automatic Update feature. It
describes a scenario where the devices download a "master" configuration file with
common settings from an HTTP server. This "master" file applies common configuration
and instructs each device to download a specific configuration file based on the device's
MAC address from an HTTP server.
Warning:
Do not use the Web interface to configure the device when the Automatic
Update feature is implemented. If you do and save (burn) the new settings to
the device's flash memory, the IniFileURL parameter is automatically set to 0
and Automatic Updates is consequently disabled. To enable Automatic
Updates again, you would to need to re-load the ini file (using the Web
Содержание Media Pack MP-124
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